diff options
Diffstat (limited to 'drivers/staging/iio/meter/ade7758_ring.c')
| -rw-r--r-- | drivers/staging/iio/meter/ade7758_ring.c | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/drivers/staging/iio/meter/ade7758_ring.c b/drivers/staging/iio/meter/ade7758_ring.c index 4080995c99b..c0accf8cce9 100644 --- a/drivers/staging/iio/meter/ade7758_ring.c +++ b/drivers/staging/iio/meter/ade7758_ring.c @@ -87,15 +87,10 @@ static int ade7758_ring_preenable(struct iio_dev *indio_dev) { struct ade7758_state *st = iio_priv(indio_dev); unsigned channel; - int ret; if (!bitmap_empty(indio_dev->active_scan_mask, indio_dev->masklength)) return -EINVAL; - ret = iio_sw_buffer_preenable(indio_dev); - if (ret < 0) - return ret; - channel = find_first_bit(indio_dev->active_scan_mask, indio_dev->masklength); @@ -121,14 +116,17 @@ void ade7758_unconfigure_ring(struct iio_dev *indio_dev) int ade7758_configure_ring(struct iio_dev *indio_dev) { struct ade7758_state *st = iio_priv(indio_dev); + struct iio_buffer *buffer; int ret = 0; - indio_dev->buffer = iio_kfifo_allocate(indio_dev); - if (!indio_dev->buffer) { + buffer = iio_kfifo_allocate(indio_dev); + if (!buffer) { ret = -ENOMEM; return ret; } + iio_device_attach_buffer(indio_dev, buffer); + indio_dev->setup_ops = &ade7758_ring_setup_ops; indio_dev->pollfunc = iio_alloc_pollfunc(&iio_pollfunc_store_time, |